Examples of org.apache.velocity.runtime.configuration.Configuration

Package org.apache.velocity.runtime.configuration

Examples of org.apache.velocity.runtime.configuration.Configuration

org.apache.velocity.runtime.configuration.Configuration
This class extends normal Java properties by adding the possibility to use the same key many times concatenating the value strings instead of overwriting them.
The Extended Properties syntax is explained here:
- Each property has the syntax key = value
- The key may use any character but the equal sign '='.
- value may be separated on different lines if a backslash is placed at the end of the line that continues below.
- If value is a list of strings, each token is separated by a comma ','.
- Commas in each token are escaped placing a backslash right before the comma.
- If a key is used more than once, the values are appended like if they were on the same line separated with commas.
- Blank lines and lines starting with character '#' are skipped.
- If a property is named "include" (or whatever is defined by setInclude() and getInclude() and the value of that property is the full path to a file on disk, that file will be included into the ConfigurationsRepository. You can also pull in files relative to the parent configuration file. So if you have something like the following: include = additional.properties Then "additional.properties" is expected to be in the same directory as the parent configuration file. Duplicate name values will be replaced, so be careful.
Here is an example of a valid extended properties file:
```
 # lines starting with # are comments # This is the simplest property key = value # A long property may be separated on multiple lines longvalue = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa # This is a property with many tokens tokens_on_a_line = first token, second token # This sequence generates exactly the same result tokens_on_multiple_lines = first token tokens_on_multiple_lines = second token # commas may be escaped in tokens commas.excaped = Hi\, what'up? 
```
NOTE: this class has not been written for performance nor low memory usage. In fact, it's way slower than it could be and generates too much memory garbage. But since performance is not an issue during intialization (and there is not much time to improve it), I wrote it this way. If you don't like it, go ahead and tune it up! @author Stefano Mazzocchi @author Jon S. Stevens @author Dave Bryson @author Jason van Zyl @author Geir Magnusson Jr. @author Leon Messerschmidt @version $Id: Configuration.java,v 1.23 2001/04/09 22:38:39 dlr Exp $

     *
     * @throws InitializationException if initialization fails.
     */
    public void init() throws InitializationException
    {
        Configuration conf = getConfiguration();
        if (conf != null)
        {
            Vector loaders = conf.getVector(CLASS_LOADERS);
            if (loaders != null)
            {
                for (int i = 0; i < loaders.size(); i++)
                {
                    try
                    {
                        classLoaders.add(
                            loadClass((String) loaders.get(i)).newInstance());
                    }
                    catch (Exception x)
                    {
                        throw new InitializationException(
                            "No such class loader '" + 
                                (String) loaders.get(i) + 
                                    "' for TurbinbeFactoryService",x);
                    }
                }
            }
            
            String key,factory;
            for (Iterator i = conf.getKeys(OBJECT_FACTORY); i.hasNext();)
            {
                key = (String) i.next();
                factory = conf.getString(key);
                
                /*
                 * Store the factory to the table as a string and
                 * instantiate it by using the service when needed.
                 */

View Full Code Here

    private void initVelocity() throws InitializationException
    {
        /*
         * Get the configuration for this service.
         */
        Configuration configuration = getConfiguration();


        /**
         * Now we have to perform a couple of path translations
         * for our log file and template paths.
         */
        configuration.setProperty(Velocity.RUNTIME_LOG,
            TurbineServlet.getRealPath(configuration.getString(
                Velocity.RUNTIME_LOG, null)));


        /*
         * Get all the template paths where the velocity
         * runtime should search for templates.
         */
        Vector templatePaths = configuration.getVector(
            Velocity.FILE_RESOURCE_LOADER_PATH);


        /*
         * Clear the configuration for the template paths, we
         * want to translate them all to the webapp space.
         */
        Velocity.clearProperty(Velocity.FILE_RESOURCE_LOADER_PATH);
        configuration.clearProperty(Velocity.FILE_RESOURCE_LOADER_PATH);
        
        int pathsToProcess = templatePaths.size();
        
        // If I use this line I get an endless loop?
        // What the hell is that? Is that a bug with
        // Vector used in conjunction with a for loop.
        //for (int i = 0; i < templatePaths.size(); i++)
        
        for (int i = 0; i < pathsToProcess; i++)
        {
            configuration.addProperty(Velocity.FILE_RESOURCE_LOADER_PATH,
                TurbineServlet.getRealPath((String) templatePaths.get(i)));
        }
        
        try
        {

View Full Code Here

     * @exception InitializationException Thrown by Turbine.
     */
    private void initWebMacro() 
        throws InitException, InitializationException
    {
        Configuration config = getConfiguration();


        /*
         * We retrieve the template paths here and translate
         * them so that we have a functional templateExists(name)
         * method in this service. This happens again in
         * the provider so that we don't have to store the
         * converted configuration, and we don't want to
         * store them because the initialization of this
         * service is done in one pass. This means that
         * the provider trying to retrieve the converted
         * properties via this service we get a recursion
         * problem. What would be idea is if the service
         * broker could store the properties for each of
         * the services, even if they are converted. Just
         * trying to explain what's going on.
         */
        templatePaths = config.getStringArray("templates");
        templatePaths = TurbineTemplate.translateTemplatePaths(templatePaths);
        
        WMTemplateProvider = config.getString("templates.provider", null);
        WMProperties = config.getString("properties");
        
        if (WMProperties != null)
        {
            /*
             * If possible, transform paths to be webapp

View Full Code Here

     * @throws InitializationException if initialization fails.
     */
    public void init()
        throws InitializationException
    {
        Configuration conf = getConfiguration();
        if (conf != null)
        {
            try
            {
                int capacity = conf.getInt(POOL_CAPACITY,DEFAULT_POOL_CAPACITY);
                if (capacity <= 0)
                {
                    throw new IllegalArgumentException("Capacity must be >0");
                }
                poolCapacity = capacity;

View Full Code Here

    private void initTemplate()
    {
        /*
         * Get the configuration for the template service.
         */
        Configuration config = getConfiguration();
        
        /*
         * Get the default extension to use if nothing else is applicable.
         */
        defaultExtension = config.getString("default.extension",NO_FILE_EXT);
        defaultTemplate = "Default." + defaultExtension;
        
        /*
         * Check to see if we are going to be caching modules.
         */
        useCache = TurbineResources.getBoolean("module.cache",true);
        
        if (useCache)
        {
            int screenSize = config.getInt("screen.cache.size",5);
            int screenTemplateSize = config.getInt("screen.cache.size",50);
            int layoutSize = config.getInt("layout.cache.size",5);
            int layoutTemplateSize = config.getInt("layout.cache.size",5);
            int navigationSize = config.getInt("navigation.cache.size",10);
            
            /*
             * Create hashtables for each object type, 
             * the first one for pages is not used.
             */

View Full Code Here

        PoolBuffer pool = (PoolBuffer) poolRepository.get(className);
        if (pool == null)
        {
            /* Check class specific capacity. */
            int capacity = poolCapacity;
            Configuration conf = getConfiguration();
            if (conf != null)
            {
                try
                {
                    capacity = conf.getInt(
                        POOL_CAPACITY + '.' + className,poolCapacity);
                    if (capacity <= 0)
                    {
                        capacity = poolCapacity;
                    }

View Full Code Here

            /*
             * We are specifically not getting the configuration
             * from the service because it hasn't finished
             * init'ing we're getting it from the service broker.
             */
            Configuration config = TurbineServices.getInstance()
                .getConfiguration(WebMacroService.SERVICE_NAME);
            
            paths = config.getStringArray("templates");
            paths = TurbineTemplate.translateTemplatePaths(paths);


            StringBuffer pathMsg = new StringBuffer("TurbineTemplateProvider path(s):");
            
            for (int i = 0; i < paths.length; i++)

View Full Code Here

     * @param defaultExt The default used when the default defined in the
     *                   properties file is missing or misconfigured.
     */
    protected void initConfiguration(String defaultExt)
    {
        Configuration config = getConfiguration();
        
        /*
         * Should modify the configuration class to take defaults
         * here, should have to do this.
         */
        String[] fileExtensionAssociations =
            config.getStringArray(TEMPLATE_EXTENSIONS);


        if (fileExtensionAssociations == null ||
            fileExtensionAssociations.length == 0)
        {
            fileExtensionAssociations = new String[1];
            fileExtensionAssociations[0] = config.getString(
                DEFAULT_TEMPLATE_EXTENSION, defaultExt);
        }
        
        configuration.put(TEMPLATE_EXTENSIONS, fileExtensionAssociations);
        
        /*
         * We need some better error checking here and should probably
         * throw an exception here if these things aren't set
         * up correctly.
         */
        configuration.put(DEFAULT_PAGE, config.getString(DEFAULT_PAGE));
        configuration.put(DEFAULT_SCREEN, config.getString(DEFAULT_SCREEN));
        configuration.put(DEFAULT_LAYOUT, config.getString(DEFAULT_LAYOUT));
        configuration.put(DEFAULT_NAVIGATION,
                          config.getString(DEFAULT_NAVIGATION));
        configuration.put(DEFAULT_ERROR_SCREEN,
                          config.getString(DEFAULT_ERROR_SCREEN));
        configuration.put(DEFAULT_LAYOUT_TEMPLATE,
                          config.getString(DEFAULT_LAYOUT_TEMPLATE));
    }

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     * @param name The name of the service.
     * @return Properties of requested Service.
     */
     public Configuration getConfiguration( String name )
     {
        return new Configuration();
     }

View Full Code Here

     * @param config A ServletConfig.
     * @exception Exception, a generic exception.
     */
    private void initFreeMarker() throws Exception
    {
        Configuration config = getConfiguration();


        path = config.getString("templates", "/templates");


        // If possible, transform paths to be webapp root relative.
        path = TurbineServlet.getRealPath(path);


        // Store the converted path in service properties for Turbine
        // based providers.
        config.setProperty("templates", path);


        templateCache = new FileTemplateCache(path);
        templateCache.addCacheListener(this);
        templateCache.startAutoUpdate();
    }

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